From eecfd3f235014d313f248bc6ecdfabb5808b0456 Mon Sep 17 00:00:00 2001
From: Fedik <getthesite@gmail.com>
Date: Wed, 12 Oct 2022 15:34:15 +0300
Subject: [PATCH] Fix Automatic conversion of false to array, php8.1

---
 libraries/src/Document/HtmlDocument.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/src/Document/HtmlDocument.php b/libraries/src/Document/HtmlDocument.php
index f4bf65ae23dd7..ee4c33e9267c3 100644
--- a/libraries/src/Document/HtmlDocument.php
+++ b/libraries/src/Document/HtmlDocument.php
@@ -542,7 +542,7 @@ public function getBuffer($type = null, $name = null, $attribs = array())
                     ]
                 )
             );
-            $cbuffer = $cache->get('cbuffer_' . $type);
+            $cbuffer = $cache->get('cbuffer_' . $type) ?: [];
 
             if (isset($cbuffer[$hash])) {
                 return Cache::getWorkarounds($cbuffer[$hash], array('mergehead' => 1));